Toluene diisocyanate manufacturer Knowledge 1,8-Dichloroanthraquinone 1,8-Dichloroanthraquinone

1,8-Dichloroanthraquinone 1,8-Dichloroanthraquinone

1,8-dichloroanthraquinone structural formula

Structural formula

Business number 01SW
Molecular formula C14H6Cl2O2
Molecular weight 227.11
label

None

Numbering system

CAS number:82-43-9

MDL number:MFCD00001191

EINECS number:201-420-9

RTECS number:CB6496000

BRN number:None

PubChem number:24893952

Physical property data

1. Character: light yellow needle-like crystal


2. Density (g/mL,25/4℃): Unsure


3. Relative vapor density (g/mL, air=1): Unsure


4. Melting point (ºC): 202 203℃(199℃).


5. Boiling point (ºC,Normal pressure): Unsure


6. Boiling point (ºC,5.2kPa): Unsure


7. Refractive index: Uncertain


8. Flashpoint (ºC): Unsure


9. Specific optical rotation (º): Unsure


10. Autoignition point or ignition temperature (ºC): Unsure


11. Vapor pressure (kPa,25ºC): Unsure


12.


2. Molar volume (m3/mol):182.9


3. isotonic specific volume (90.2K):509.1


4. Surface Tension (dyne/cm):59.9


5. Polarizability10-24cm3):27.13

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 4.1

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 34.1

7. Number of heavy atoms: 18

8. Surface charge: 0

9. Complexity: 350

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Light yellow needle-shaped crystal. Soluble in nitrobenzene and hot toluene, slightly soluble in ethanol. It is yellow in concentrated sulfuric acid. Melting point202203℃ 199℃).

Storage method

Save sealed.

Synthesis method

None yet

Purpose

Manufacture of vat dyes, disperse dyes, organic pigments and pharmaceuticals.

t-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt”>~203℃199℃).

Storage method

Save sealed.

Synthesis method

None yet

Purpose

Manufacture of vat dyes, disperse dyes, organic pigments and pharmaceuticals.

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